KR102617345B1 - Backflow prevention plate valve for eco-friendly vehicle heat exchanger with escape prevention protrusion and eco-friendly vehicle heat exchanger comprising the same - Google Patents

Abstract

The present invention is a backflow prevention plate valve used in a heat exchanger for an eco-friendly vehicle to prevent backflow of fluid. The present invention is a base disposed in a flow path located at the bottom of the fluid inlet pipe of the heat exchanger and has an area larger than the diameter of the fluid inlet pipe. wealth; A packing member disposed on the upper surface of the base portion to open or close a space between the fluid inlet pipe and the flow path; and a leaf spring including one end connected to the edge of the base portion and the other end extending from the one end portion and bent downwardly, provided in plural and disposed at regular intervals along the edge of the base portion. Provides a heat exchanger backflow prevention plate valve for an eco-friendly vehicle having a protrusion to prevent separation.

Description

Backflow prevention plate valve for eco-friendly vehicle heat exchanger with escape prevention protrusion and eco-friendly vehicle heat exchanger comprising the same}

The present invention relates to a backflow prevention plate valve for a heat exchanger for an eco-friendly vehicle having a protrusion to prevent escape, and a heat exchanger for a heat exchanger for an eco-friendly vehicle including the same. Specifically, the present invention relates to a plate valve for preventing backflow of a heat exchanger for an eco-friendly vehicle, and specifically to a plate valve for preventing backflow for an eco-friendly vehicle, and specifically to a plate valve for preventing backflow for an eco-friendly vehicle, and specifically to a plate valve for preventing backflow for an eco-friendly vehicle. This relates to a heat exchanger for eco-friendly vehicles, a backflow prevention plate valve, and a heat exchanger for eco-friendly vehicles including the same.

A plate heat exchanger consists of multiple heat exchange plates stacked at intervals from each other to form a heat exchange plate package, and allows heat exchange between the fluid and the heat exchange plates as the fluid flows between the heat exchange plate plates forming the heat exchange plate package. It is used for vehicles, molds, and injection molds. It is applied to cooling systems included in molding machines, oil cooling systems of hydraulic devices, etc. to absorb heat, or is applied to various industrial fields including the electronics industry, food industry, and medical device industry to perform the functions of heating, cooling, and waste heat recovery. .

This type of plate heat exchanger is generally made up of a flat plate shape with a fixed length and width, and the front and rear sides are used as heat transfer surfaces, respectively, and 'V'-shaped valleys and ridges are arranged in succession adjacent to each other on the heat transfer surfaces, forming a herringbone ( A heat exchange plate package that is provided with a plurality of heat exchange plates having a herringbone pattern and allows heat exchange to occur as the heat medium flows through a flow path formed by the multiple heat exchange plates being stacked and the valleys and crests of adjacent heat exchange plates contacting each other; It consists of a front frame attached to the front of the heat exchange plate package, and a rear frame attached to the rear of the heat exchange plate package.

In the plate heat exchanger as described above, a check valve for preventing backflow is installed outside the plate heat exchanger to prevent backflow of the fluid flowing into the inlet pipe.

In this way, when the check valve for backflow prevention is installed outside the plate heat exchanger, the structure becomes complicated and the manufacturing cost increases accordingly.

KR 10-1177359 B1

The present invention was devised to solve various problems in the prior art as described above. It can be simply and easily assembled inside a heat exchanger, has a simple structure, can reduce manufacturing costs, and reduces heat exchanger performance due to backflow. The purpose is to provide an eco-friendly vehicle heat exchanger backflow prevention plate type valve having a separation prevention protrusion that can effectively prevent and an eco-friendly vehicle heat exchanger including the same.

In order to achieve the above objectives, the present invention is a backflow prevention plate valve employed in a heat exchanger for an eco-friendly vehicle to prevent backflow of fluid, and is disposed in a flow path located at the bottom of the fluid inlet pipe of the heat exchanger, wherein the fluid inflows. A base portion having an area larger than the diameter of the pipe; a packing member disposed on the upper surface of the base portion to open or close a space between the fluid inflow pipe and the flow path; and a leaf spring including one end connected to the edge of the base portion and the other end extending from the one end portion and bent downwardly, provided in plural and disposed at regular intervals along the edge of the base portion. Provides a heat exchanger backflow prevention plate valve for an eco-friendly vehicle having a protrusion to prevent separation.

In addition, the present invention is a backflow prevention plate valve used in a heat exchanger for an eco-friendly vehicle to prevent backflow of fluid. It is disposed in a flow path located at the bottom of the fluid inlet pipe of the heat exchanger and has an area larger than the diameter of the fluid inlet pipe. The branch base part;

A ring-shaped packing member disposed on the upper edge of the base portion to open or close a space between the fluid inlet pipe and the flow path; and a plurality of leaf springs, including one end connected to the edge of the base portion and the other end extending from the one end portion and bent downwardly, and arranged at regular intervals along the edge of the base portion. A plurality of protrusions are formed on the upper surface of the base portion inside the ring-shaped packing member, and the plurality of protrusions are located at regular intervals along the upper surface of the base portion. Heat exchanger for an eco-friendly vehicle having an anti-separation protrusion. A backflow prevention plate valve is provided.

In addition, the present invention is a backflow prevention plate valve used in an eco-friendly vehicle heat exchanger to prevent fluid from flowing back. It is disposed in a flow path located at the bottom of the fluid inlet pipe of the heat exchanger and has an area larger than the diameter of the fluid inlet pipe. The branch base part; A ring-shaped packing member disposed on the upper edge of the base portion to open or close a space between the fluid inlet pipe and the flow path; and a plurality of leaf springs, including one end connected to the edge of the base portion and the other end extending from the one end portion and bent downwardly, and arranged at regular intervals along the edge of the base portion. A plurality of protrusions are formed on the upper surface of the base portion inside the ring-shaped packing member, and the plurality of protrusions are located at regular intervals along the upper surface of the base portion, and the outer surface facing the packing member from the protrusion portions becomes wider downward. Provided is an eco-friendly heat exchanger backflow prevention plate valve for an eco-friendly vehicle having an anti-separation protrusion, which is characterized in that it is formed in a tall and inclined shape.

In addition, the present invention is a backflow prevention plate valve used in a heat exchanger for an eco-friendly vehicle to prevent backflow of fluid. It is disposed in a flow path located at the bottom of the cylindrical fluid inlet pipe of the heat exchanger, and is larger than the diameter of the fluid inlet pipe. A base portion in the form of a disk having a large area; A packing member in the form of a circular ring disposed on the upper edge of the base portion to open or close a space between the fluid inlet pipe and the flow path; and a plurality of leaf springs, including one end connected to the edge of the base portion and the other end extending from the one end portion and bent downwardly, and arranged at regular intervals along the edge of the base portion. A plurality of protrusions are formed on the upper surface of the base portion inside the ring-shaped packing member, the plurality of protrusions are located at regular intervals along the upper surface of the base portion, and the outer surface facing the packing member from the protrusion portion is in the form of a tapered inclined surface. Provided is a heat exchanger backflow prevention plate valve for an eco-friendly vehicle having an anti-separation protrusion, which is characterized in that it is formed.

Meanwhile, the present invention discloses a heat exchanger for an eco-friendly vehicle including a backflow prevention plate valve and a heat exchanger for an eco-friendly vehicle having the above-described separation prevention protrusion.

Details of other embodiments are included in “Specific Details for Carrying Out the Invention” and the accompanying “Drawings.”

The advantages and/or features of the present invention and methods for achieving them will become clear by referring to the various embodiments described in detail below along with the accompanying drawings.

However, the present invention is not limited to the configuration of each embodiment disclosed below, but may also be implemented in various different forms, and each embodiment disclosed in this specification serves to ensure that the disclosure of the present invention is complete. It is provided to fully inform those skilled in the art of the present invention of the scope of the present invention, and it should be noted that the present invention is only defined by the scope of each claim in the claims.

According to the solution to the above-described problem, the present invention has the following effects.

The present invention has the advantage of being able to be simply and easily assembled inside a heat exchanger, having a simple structure, reducing manufacturing costs, and effectively preventing deterioration of heat exchanger performance due to backflow.

Figure 1 is a diagram showing a heat exchanger for an eco-friendly vehicle equipped with a backflow prevention plate valve and a heat exchanger for an eco-friendly vehicle equipped with a separation prevention protrusion according to the present invention.
FIG. 2 is a diagram showing the backflow prevention plate valve of the eco-friendly vehicle heat exchanger of FIG. 1.
Figure 3 is a diagram showing a state in which the backflow prevention plate valve is opened when fluid flows in through the heat exchanger inlet pipe of Figure 1.
Figure 4 is a diagram showing a state in which the backflow prevention plate valve is closed when fluid flows back in Figure 3.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the attached drawings.

Before explaining the present invention in detail, the terms or words used in this specification should not be construed as unconditionally limited to their ordinary or dictionary meanings, and the inventor of the present invention should not use the terms and conditions to explain his invention in the best way. It should be noted that the concepts of various terms can be appropriately defined and used, and furthermore, that these terms and words should be interpreted with meanings and concepts consistent with the technical idea of the present invention.

That is, the terms used in this specification are only used to describe preferred embodiments of the present invention, and are not used with the intention of specifically limiting the content of the present invention, and these terms refer to various possibilities of the present invention. It is important to note that this is a term defined with consideration in mind.

In addition, in this specification, it should be noted that singular expressions may include plural expressions unless the context clearly indicates a different meaning, and that even if similarly expressed in plural, they may include singular meanings. do.

Throughout this specification, when a component is described as “including” another component, it does not exclude any other component, but includes any other component, unless specifically stated to the contrary. It could mean that you can do it.

Furthermore, if a component is described as being "installed within or connected to" another component, it means that this component may be installed in direct connection or contact with the other component and may be installed in contact with the other component and may be installed in contact with the other component. It may be installed at a certain distance, and in the case where it is installed at a certain distance, there may be a third component or means for fixing or connecting the component to another component. It should be noted that the description of the components or means of 3 may be omitted.

On the other hand, when a component is described as being “directly connected” or “directly connected” to another component, it should be understood that no third component or means is present.

Likewise, other expressions that describe the relationship between components, such as "between" and "immediately between", or "neighboring" and "directly neighboring", have the same meaning. It should be interpreted as

In addition, in this specification, terms such as "one side", "other side", "one side", "the other side", "first", "second", etc., if used, refer to one component. It is used to clearly distinguish it from other components, and it should be noted that the meaning of the component is not limited by this term.

In addition, in this specification, terms related to position such as "top", "bottom", "left", "right", etc., if used, should be understood as indicating the relative position of the corresponding component in the corresponding drawing. Unless the absolute location is specified, these location-related terms should not be understood as referring to the absolute location.

Moreover, in the specification of the present invention, terms such as "... unit", "... unit", "module", "device", etc., when used, mean a unit capable of processing one or more functions or operations, which is hardware. Alternatively, it should be noted that it can be implemented through software, or a combination of hardware and software.

In addition, in this specification, when specifying the reference numeral for each component in each drawing, the same component has the same reference number even if the component is shown in different drawings, that is, the same reference is made throughout the specification. The symbols indicate the same component.

In the drawings attached to this specification, the size, position, connection relationship, etc. of each component constituting the present invention is exaggerated, reduced, or omitted in order to convey the idea of the present invention sufficiently clearly or for convenience of explanation. It may be described, and therefore its proportions or scale may not be exact.

In addition, hereinafter, in describing the present invention, detailed descriptions of configurations that are judged to unnecessarily obscure the gist of the present invention, for example, known technologies including prior art, may be omitted.

Figure 1 is a diagram showing a heat exchanger for an eco-friendly vehicle equipped with a backflow prevention plate valve and a heat exchanger for an eco-friendly vehicle equipped with a separation prevention protrusion according to the present invention.

The vehicle heat exchanger 10 has a multi-layer structure of two or more plates 11, and each layer is connected.

A fluid flow path 13 through which fluid flows is formed between each of the connected layers, and a fluid inflow pipe 15 is installed in the uppermost plate 11 to communicate with the fluid flow path 13.

At this time, in order to prevent backflow of fluid in each layer, a check prevention valve for backflow was conventionally installed on the outside of the heat exchanger, but in this case, the structure becomes complicated and the manufacturing cost increases accordingly. .

Accordingly, in the present invention, a backflow prevention plate valve 20, which will be described later, is installed in the fluid passage 13 in order to effectively prevent heat exchanger performance from being deteriorated due to backflow of fluid and to simplify the structure.

The unexplained symbol 11a is a support portion installed on the bottom surface of the fluid passage 13 and supporting the bottom surface of the base portion 21 of the plate valve 20.

FIG. 2 is a diagram showing the backflow prevention plate valve of the eco-friendly vehicle heat exchanger of FIG. 1.

The heat exchanger backflow prevention plate valve 20 for an eco-friendly vehicle according to the present invention is used in a heat exchanger for an eco-friendly vehicle to prevent backflow of fluid, and includes a base portion 21, a packing member 25, and a leaf spring 27. It is made including.

The base portion 21 has a disk shape, is disposed in the flow path 13 located below the fluid inlet pipe 15 of the heat exchanger 10, and is formed to have an area larger than the diameter of the fluid inlet pipe 15. do.

This base portion 21 may be formed in a convex shape from the edge to the center.

The packing member 25 has a circular ring shape and is disposed on the upper edge of the base portion 21 to open or close the space between the fluid inlet pipe 15 and the flow path 13, and is mainly made of rubber.

The leaf spring 27 includes one end portion 27a connected to the edge of the base portion 21, and the other end portion 27b extending from the one end portion 27a and bent to be inclined downward.

A plurality of these leaf springs 27 are provided and arranged at regular intervals along the edge of the base portion 21.

At this time, the base portion 21 and the leaf spring 27 can be formed in the form of a single sheet metal material, thereby simplifying manufacturing and reducing costs.

In addition, since it has a simple structure consisting of a single sheet metal of the base part 21 and the leaf spring 27 and the packing member 25, it has the advantage of having a low probability of failure.

Meanwhile, a plurality of protrusions 23 are formed on the upper surface of the base portion 21 inside the circular ring-shaped packing member 25, and these plural protrusions 23 are formed along the upper surface of the base portion 21. Located at regular intervals.

The outer surface of the protrusion 23 facing the packing member 25 widens downward and may be slanted.

That is, the outer surface of the protrusion 23 facing the packing member 25 may be formed in the form of a tapered inclined surface.

In this way, the tapered inclined surface 23a of the protrusion 23 serves as a guide when assembling the rubber packing member 25, allowing the packing member 25 to be quickly assembled, and serves as an assembly guide surface. It is possible to prevent the packing member 25 from being incorrectly assembled.

In addition, the tapered inclined surface 23a of the protrusion 23 allows the plate valve to be well mounted on the inlet pipe (cylinder) of the compact heat exchanger for automobiles.

FIG. 3 is a view showing the open state of the non-return plate valve when fluid flows in through the inlet pipe of the heat exchanger in FIG. 1, and FIG. 4 is a view showing the state in which the non-return plate valve is closed when fluid flows back in FIG. 3. am.

The other end 27b of the leaf spring 27 supports the base part 21 within the fluid passage 13, and when fluid flows into the fluid inlet pipe 15 as shown in FIG. 3, the leaf spring 27 The other end (27b) of (27) is pressed downward to open the space between the fluid inlet pipe (15) and the flow path (13), thereby allowing fluid to flow into the flow path (13) of the heat exchanger, as shown in FIG. When backflow of fluid occurs as shown, the other end (27b) of the leaf spring (27) rises to seal the space between the fluid inlet pipe (15) and the flow path (13).

As such, the present invention has the advantage of being able to be simply and easily assembled inside a heat exchanger, having a simple structure, reducing manufacturing costs, and effectively preventing deterioration of heat exchanger performance due to backflow.

Above, various preferred embodiments of the present invention have been described by giving some examples, but the description of the various embodiments described in the "Detailed Contents for Carrying out the Invention" section is merely illustrative and the present invention Those skilled in the art will understand from the above description that the present invention can be implemented with various modifications or equivalent implementations of the present invention.

In addition, since the present invention can be implemented in various other forms, the present invention is not limited by the above description, and the above description is intended to make the disclosure of the present invention complete and is commonly used in the technical field to which the present invention pertains. It is provided only to fully inform those with knowledge of the scope of the present invention, and it should be noted that the present invention is only defined by each claim in the claims.

10: heat exchanger
11: plate
13: fluid flow path
15: fluid inlet pipe
20: backflow prevention valve
21: base part
23: protrusion
25: Packing member
27: leaf spring

Claims (5)

It is a backflow prevention plate valve used in heat exchangers for eco-friendly vehicles to prevent fluid from flowing back.
a base portion disposed in a flow path located below the fluid inlet pipe of the heat exchanger and having an area larger than the diameter of the fluid inlet pipe;
a packing member disposed on the upper surface of the base portion to open or close a space between the fluid inflow pipe and the flow path; and
It includes one end connected to the edge of the base portion and the other end extending from the one end portion and bent downwardly, and comprising a plurality of leaf springs arranged at regular intervals along the edge of the base portion;
The base portion has a convex shape moving from the edge to the center, and a plurality of protrusions are formed on the upper surface of the base portion inside the ring-shaped packing member, and the plurality of protrusions are located at regular intervals along the upper surface of the base portion. Shape it so that it does;
The protrusion is characterized in that it is formed as a tapered inclined surface to perform an assembly guide surface and guide function to prevent incorrect assembly of the packing member.
Heat exchanger backflow prevention plate valve for eco-friendly vehicles with anti-separation protrusions. It is a backflow prevention plate valve used in heat exchangers for eco-friendly vehicles to prevent fluid from flowing back.
a base portion disposed in a flow path located below the fluid inlet pipe of the heat exchanger and having an area larger than the diameter of the fluid inlet pipe;
A ring-shaped packing member disposed on the upper edge of the base portion to open or close a space between the fluid inlet pipe and the flow path; and
It includes one end connected to the edge of the base portion and the other end extending from the one end portion and bent downwardly, and comprising a plurality of leaf springs arranged at regular intervals along the edge of the base portion;
The base portion has a convex shape moving from the edge to the center, and a plurality of protrusions are formed on the upper surface of the base portion inside the ring-shaped packing member, and the plurality of protrusions are spaced at regular intervals along the upper surface of the base portion. Formed to be located;
The protrusion is characterized in that it is formed as a tapered inclined surface to perform an assembly guide surface and guide function to prevent incorrect assembly of the packing member.
Heat exchanger backflow prevention plate valve for eco-friendly vehicles with anti-separation protrusions. It is a backflow prevention plate valve used in heat exchangers for eco-friendly vehicles to prevent fluid from flowing back.
a base portion disposed in a flow path located below the fluid inlet pipe of the heat exchanger and having an area larger than the diameter of the fluid inlet pipe;
A ring-shaped packing member disposed on the upper edge of the base portion to open or close a space between the fluid inlet pipe and the flow path; and
It includes one end connected to the edge of the base portion and the other end extending from the one end portion and bent downwardly, and comprising a plurality of leaf springs arranged at regular intervals along the edge of the base portion;
The base portion has a convex shape moving from the edge to the center, and a plurality of protrusions are formed on the upper surface of the base portion inside the ring-shaped packing member, and the plurality of protrusions are spaced at regular intervals along the upper surface of the base portion. Formed to be located;
The protrusion is characterized in that the outer surface facing the packing member from the protrusion is formed in a downwardly widening and inclined form to perform an assembly guide surface and guide function to prevent the packing member from being incorrectly assembled,
Heat exchanger backflow prevention plate valve for eco-friendly vehicles with anti-separation protrusions. delete A heat exchanger for an eco-friendly vehicle having a separation prevention protrusion according to any one of claims 1 to 3. A heat exchanger for an eco-friendly vehicle including a backflow prevention plate valve.

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